Beta Williamson County, TX only — data and coverage are limited during early access.

221 SEBASTIAN LN, GEORGETOWN, TX 78633

GEORGETOWN, 78633 — williamson County

3 bed3 bath2,970 sqftBuilt 2014

Property at a Glance

This home is estimated between $725,283 and $1,001,092, with a best estimate of $851,585. That places the property above the G747607C - WALNUT SPRINGS median of $783,215, in a neighborhood that appreciated 1.8% over the past year.

Estimated Value Range

$725,283 $1,001,092
Best Estimate
$851,585
WCAD Value
$732,239
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in G747607C - WALNUT SPRINGS, this home's estimated market value is between $725,283 and $1,001,092. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

225 SEBASTIAN LN, GEORGETOWN, TX 78633
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,315 sqft Built 2007
Raw Value $756,181
Adjusted Value $1,001,092

Adjusted +$174,912 for 655 sqft more living space and +$69,999 for being newer. Net adjustment: +$244,911.

217 SEBASTIAN LN, GEORGETOWN, TX 78633
0.02 mi 100% similar Same subdivision
3 bed 2 bath 3,018 sqft Built 2016
Raw Value $758,101
Adjusted Value $725,283

Adjusted -$12,818 for 48 sqft less living space and -$20,000 for being older. Net adjustment: -$32,818.

213 SEBASTIAN LN, GEORGETOWN, TX 78633
0.05 mi 100% similar Same subdivision
3 bed 2 bath 2,947 sqft Built 2007
Raw Value $754,850
Adjusted Value $830,991

Adjusted +$6,142 for 23 sqft more living space and +$69,999 for being newer. Net adjustment: +$76,141.

229 SEBASTIAN LN, GEORGETOWN, TX 78633
0.05 mi 100% similar Same subdivision
4 bed 3 bath 2,775 sqft Built 2008
Raw Value $769,180
Adjusted Value $881,252

Adjusted +$52,073 for 195 sqft more living space and +$59,999 for being newer. Net adjustment: +$112,072.

220 SEBASTIAN LN, GEORGETOWN, TX 78633
0.06 mi 100% similar Same subdivision
4 bed 3 bath 3,065 sqft Built 2007
Raw Value $806,955
Adjusted Value $851,585

Adjusted -$25,369 for 95 sqft less living space and +$69,999 for being newer. Net adjustment: +$44,630.

The Neighborhood

This home is valued 6.5% below the G747607C - WALNUT SPRINGS median of $783,215. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 1.8% over the past year.

G747607C - WALNUT SPRINGS

typical
113 Properties
$783,215 Median Value
+1.8% YoY Change
0% Have Pool
99% Have Garage
This Home
$732,239
Median
$783,215

This home is -6.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,391 across all districts. With a homestead exemption claimed, that drops to $9,784 — saving $1,607 per year. That's $815 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$7,693
Williamson CountyCounty0.3694%$2,705
Williamson County ESD #8 - GeorgetownESD0.0912%$668
Williamson County FM/RdCounty0.0443%$325
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5556%$11,391

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $851,585 would pay approximately $5,316 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details